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Finding the Fourth Proportional to 60,496.80, 90,696.16 and 27,192.48

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Solution

The fourth proportional to 60,496.80, 90,696.16 and 27,192.48 is: 40,766.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,496.80 : 90,696.16 = 27,192.48 : x
  2. Step 2: Convert to fraction form
    60,496.80/90,696.16 = 27,192.48/x
  3. Step 3: Cross multiply
    60,496.80x = 90,696.16 × 27,192.48
  4. Step 4: Simplify right side
    60,496.80x = 2,466,253,516.88
  5. Step 5: Solve for x
    x = 2,466,253,516.88/60,496.80
  6. Step 6: Final answer
    x = 40,766.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.